Article
Dimer/monomer status and in vivo function of salt-bridge mutants of the plant UV-B photoreceptor UVR8.
The Plant journal : for cell and molecular biology - 1 Oct 2016
Heilmann Monika, Velanis Christos N, Cloix Catherine, Smith Brian O, Christie John M, Jenkins Gareth I
Abstract excerpt
UV RESISTANCE LOCUS8 (UVR8) is a photoreceptor for ultraviolet-B (UV-B) light that initiates photomorphogenic responses in plants. UV-B photoreception causes rapid dissociation of dimeric UVR8 into monomers that interact with CONSTITUTIVELY PHOTOMORPHOGENIC1 (COP1) to initiate signal transduction. Experiments with purified UVR8 show that the dimer is maintained by salt-bridge interactions between specific charged...
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